2021/09/01 * cashback
    ! Income:Misc                             -50.00 USD
    Liabilities:Okane Card                     50.00 USD

2021/09/02 * (31415) Migros
    Liabilities:Okane Card                    -28.00 USD
    Expenses:Grocery                           28.00 USD

2021/09/03 * (14142) FooBar
    Liabilities:Okane Card                     -1.45 USD
    ! Expenses:Unknown                          1.45 USD